BASIC STATS - MODULE 2

What is the mean score if five students in an English class scored 78, 85, 90, 92, and 95 on their final exams?

• 85

• 88

• 90

• 92

If the following are the scores of students in an English quiz: 75, 83, 88, 91, 93, what is the median score?

• 83

• 85

• 88

• 91

Which of the following best describes the mode?

• The average score of a dataset.

• The middle score when data is arranged in ascending order.

• The most frequently occurring score in a dataset.

• The difference between the highest and lowest scores in a dataset.

In a class of 10 students, the scores on a reading comprehension test are: 65, 70, 70, 75, 80, 85, 85, 85, 90, 95. What is the mode?

• 70

• 75

• 85

• 90

What is the range of scores if the highest score is 95 and the lowest score is 65 in an English exam?

• 25

• 30

• 35

• 40

Which statement best describes the standard deviation?

• A measure of central tendency.

• A measure of the spread of data points in a dataset.

• The average of the squared differences from the mean.

• The difference between the highest and lowest scores.

1. If the following are the scores of students in a vocabulary test: 55, 60, 65, 70, 85, 90, what is the range?
   

• 25

• 30

• 35

• 40

Which of the following best describes a bar chart?

• A graph used to show the distribution of data.

• A graph used to compare different categories of data.

• A graph used to show the relationship between two variables.

• A graph used to show the trend of data over time.

What is the primary difference between a bar chart and a histogram?

• Bar charts are used for categorical data, while histograms are used for continuous data.

• Bar charts display data in intervals, while histograms display individual data points.

• Histograms have gaps between bars, while bar charts do not.

• Histograms are used for time series data, while bar charts are not.

When analyzing the number of students who preferred different genres of English literature (e.g., fiction, non-fiction, poetry, drama), which type of graph would be most appropriate?

• Histogram

• Bar Chart